We are a French production company shooting a documentary for Canal + (French TV) about Roller Derby in France. We've thought add from you website, video like 1952 - Roller Derby - the Jolters vs the Chiefs (1952). Most of the movie, we want to use is a part of collection Classic TV and the creative commons license is CC0 1.0 Universal.
We would how it works concerning the copyright and related right? Can we have a authorization from the author?
Thanks in advance for your reply.